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mariadb/sysvars_wsrep,32bit.rdiff

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MDEV-11025: Make number of page cleaner threads variable dynamic New test cases innodb-page-cleaners Modified test cases innodb_page_cleaners_basic New function buf_flush_set_page_cleaner_thread_cnt Increase or decrease the amount of page cleaner worker threads. In case of increase this function creates based on current abount and requested amount how many new threads should be created. In case of decrease this function sets up the requested amount of threads and uses is_requested event to signal workers. Then we wait until all new treads are started, old threads that should exit signal is_finished or shutdown has marked that page cleaner should finish. buf_flush_page_cleaner_worker Store current thread id and thread_no and then signal event is_finished. If number of used page cleaner threads decrease we shut down those threads that have thread_no greater or equal than number of page configured page cleaners - 1 (note that there will be always page cleaner coordinator). Before exiting we signal is_finished. New function innodb_page_cleaners_threads_update Update function for innodb-page-cleaners system variable. innobase_start_or_create_for_mysql If more than one page cleaner threads is configured we use new function buf_flush_set_page_cleaner_thread_cnt to set up the requested threads (-1 coordinator).
8 years ago
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  1. --- suite/sys_vars/r/sysvars_wsrep.result 2014-10-10 13:33:55.000000000 +0300
  2. +++ suite/sys_vars/r/sysvars_wsrep,32bit.reject 2014-10-10 19:38:09.000000000 +0300
  3. @@ -245,7 +245,7 @@
  4. GLOBAL_VALUE_ORIGIN COMPILE-TIME
  5. DEFAULT_VALUE 131072
  6. VARIABLE_SCOPE GLOBAL
  7. -VARIABLE_TYPE BIGINT UNSIGNED
  8. +VARIABLE_TYPE INT UNSIGNED
  9. VARIABLE_COMMENT Max number of rows in write set
  10. NUMERIC_MIN_VALUE 1
  11. NUMERIC_MAX_VALUE 1048576
  12. @@ -259,7 +259,7 @@
  13. GLOBAL_VALUE_ORIGIN COMPILE-TIME
  14. DEFAULT_VALUE 1073741824
  15. VARIABLE_SCOPE GLOBAL
  16. -VARIABLE_TYPE BIGINT UNSIGNED
  17. +VARIABLE_TYPE INT UNSIGNED
  18. VARIABLE_COMMENT Max write set size (bytes)
  19. NUMERIC_MIN_VALUE 1024
  20. NUMERIC_MAX_VALUE 4294901759
  21. @@ -273,7 +273,7 @@
  22. GLOBAL_VALUE_ORIGIN COMPILE-TIME
  23. DEFAULT_VALUE 0
  24. VARIABLE_SCOPE GLOBAL
  25. -VARIABLE_TYPE BIGINT UNSIGNED
  26. +VARIABLE_TYPE INT UNSIGNED
  27. VARIABLE_COMMENT mysql replication group commit
  28. NUMERIC_MIN_VALUE 0
  29. NUMERIC_MAX_VALUE 1000
  30. @@ -455,7 +455,7 @@
  31. GLOBAL_VALUE_ORIGIN COMPILE-TIME
  32. DEFAULT_VALUE 1
  33. VARIABLE_SCOPE SESSION
  34. -VARIABLE_TYPE BIGINT UNSIGNED
  35. +VARIABLE_TYPE INT UNSIGNED
  36. VARIABLE_COMMENT Max number of times to retry a failed autocommit statement
  37. NUMERIC_MIN_VALUE 0
  38. NUMERIC_MAX_VALUE 10000
  39. @@ -483,7 +483,7 @@
  40. GLOBAL_VALUE_ORIGIN COMPILE-TIME
  41. DEFAULT_VALUE 1
  42. VARIABLE_SCOPE GLOBAL
  43. -VARIABLE_TYPE BIGINT UNSIGNED
  44. +VARIABLE_TYPE INT UNSIGNED
  45. VARIABLE_COMMENT Number of slave appliers to launch
  46. NUMERIC_MIN_VALUE 1
  47. NUMERIC_MAX_VALUE 512